140542200 has 72 divisors (see below), whose sum is σ = 471993600. Its totient is φ = 37477440.

The previous prime is 140542187. The next prime is 140542201. The reversal of 140542200 is 2245041.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140542201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37240 + ... + 40839.

Almost surely, 2^140542200 is an apocalyptic number.

140542200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140542200 is an abundant number, since it is smaller than the sum of its proper divisors (331451400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140542200 is a wasteful number, since it uses less digits than its factorization.

140542200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78101 (or 78089 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 140542200 is about 11855.0495570453. The cubic root of 140542200 is about 519.9188729453.

Adding to 140542200 its reverse (2245041), we get a palindrome (142787241).

The spelling of 140542200 in words is "one hundred forty million, five hundred forty-two thousand, two hundred".